12066732776 has 16 divisors (see below), whose sum is σ = 25857284640. Its totient is φ = 5171456880.

The previous prime is 12066732773. The next prime is 12066732791. The reversal of 12066732776 is 67723766021.

It is a self number, because there is not a number n which added to its sum of digits gives 12066732776.

It is not an unprimeable number, because it can be changed into a prime (12066732773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107738630 + ... + 107738741.

It is an arithmetic number, because the mean of its divisors is an integer number (1616080290).

Almost surely, 2^12066732776 is an apocalyptic number.

It is an amenable number.

12066732776 is an abundant number, since it is smaller than the sum of its proper divisors (13790551864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12066732776 is a wasteful number, since it uses less digits than its factorization.

12066732776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215477384 (or 215477380 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 47.

The spelling of 12066732776 in words is "twelve billion, sixty-six million, seven hundred thirty-two thousand, seven hundred seventy-six".